20169966520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1\times {\mathrm{1667}}^1$

素因数の和:2053

約数の個数: 128

約数和(自身を含む): 50195324160

約数和(自身を除く): 30025357640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 257, 428, 440, 514, 535, 856, 1028, 1070, 1177, 1285, 1667, 2056, 2140, 2354, 2570, 2827, 3334, 4280, 4708, 5140, 5654, 5885, 6668, 8335, 9416, 10280, 11308, 11770, 13336, 14135, 16670, 18337, 22616, 23540, 27499, 28270, 33340, 36674, 47080, 54998, 56540, 66680, 73348, 91685, 109996, 113080, 137495, 146696, 178369, 183370, 219992, 274990, 302489, 356738, 366740, 428419, 549980, 604978, 713476, 733480, 856838, 891845, 1099960, 1209956, 1426952, 1512445, 1713676, 1783690, 1962059, 2142095, 2419912, 3024890, 3427352, 3567380, 3924118, 4284190, 4712609, 6049780, 7134760, 7848236, 8568380, 9425218, 9810295, 12099560, 15696472, 17136760, 18850436, 19620590, 23563045, 37700872, 39241180, 45840833, 47126090, 78482360, 91681666, 94252180, 183363332, 188504360, 229204165, 366726664, 458408330, 504249163, 916816660, 1008498326, 1833633320, 2016996652, 2521245815, 4033993304, 5042491630, 10084983260, 20169966520]

約数ペア:

[(1, 20169966520), (2, 10084983260), (4, 5042491630), (5, 4033993304), (8, 2521245815), (10, 2016996652), (11, 1833633320), (20, 1008498326), (22, 916816660), (40, 504249163), (44, 458408330), (55, 366726664), (88, 229204165), (107, 188504360), (110, 183363332), (214, 94252180), (220, 91681666), (257, 78482360), (428, 47126090), (440, 45840833), (514, 39241180), (535, 37700872), (856, 23563045), (1028, 19620590), (1070, 18850436), (1177, 17136760), (1285, 15696472), (1667, 12099560), (2056, 9810295), (2140, 9425218), (2354, 8568380), (2570, 7848236), (2827, 7134760), (3334, 6049780), (4280, 4712609), (4708, 4284190), (5140, 3924118), (5654, 3567380), (5885, 3427352), (6668, 3024890), (8335, 2419912), (9416, 2142095), (10280, 1962059), (11308, 1783690), (11770, 1713676), (13336, 1512445), (14135, 1426952), (16670, 1209956), (18337, 1099960), (22616, 891845), (23540, 856838), (27499, 733480), (28270, 713476), (33340, 604978), (36674, 549980), (47080, 428419), (54998, 366740), (56540, 356738), (66680, 302489), (73348, 274990), (91685, 219992), (109996, 183370), (113080, 178369), (137495, 146696)]